Tutorial by Examples: et

Get Current User Information

SP.SOD.executeOrDelayUntilScriptLoaded(showUserInfo,"sp.js"); function showUserInfo(){ var clientContext = new SP.ClientContext(); var user = clientContext.get_web().get_currentUser(); clientContext.load(user); clientContext.executeQueryAsync(function(){ ...

sharepoint • Working with JavaScript Client Object Model (JSOM)

Get a List Item by ID

SP.SOD.executeOrDelayUntilScriptLoaded(myFunction,"sp.js"); function myFunction(){ var clientContext = new SP.ClientContext(); var list = clientContext.get_web().get_lists().getByTitle("List Title"); var item = list.getItemById(1); // get item with ID == 1 ...

sharepoint • Working with JavaScript Client Object Model (JSOM)

Get List Items by CAML Query

Basic Example Use the set_viewXml method of the SP.CamlQuery object to specify a CAML query to retrieve items. SP.SOD.executeOrDelayUntilScriptLoaded(showListItems,"core.js"); function showListItems(){ var clientContext = new SP.ClientContext(); var list = clientContext.get_...

sharepoint • Working with JavaScript Client Object Model (JSOM)

WebSockets

var ws = new WebSocket('ws://host.com/path'); ws.onopen = () => { // connection opened ws.send('something'); // send a message }; ws.onmessage = (e) => { // a message was received console.log(e.data); }; ws.onerror = (e) => { // an error occurred console.log(e...

react-native • HTTP Requests

HTTP with the fetch API

It should be noted that Fetch does not support progress callbacks. See: https://github.com/github/fetch/issues/89. The alternative is to use XMLHttpRequest https://developer.mozilla.org/en-US/docs/Web/Events/progress. fetch('https://mywebsite.com/mydata.json').then(json => console.log(json)); ...

react-native • HTTP Requests

Networking with XMLHttpRequest

react-native • HTTP Requests

Setup for Windows

Note: You cannot develop react-native apps for iOS on Windows, only react-native android apps. The official setup docs for react-native on windows can be found here. If you need more details there is a granular guide here. Tools/Environment Windows 10 command line tool (eg Powershell or window...

react-native • Getting started with react-native

Cast an object to a base type

Given the following definitions : public interface IMyInterface1 { string GetName(); } public interface IMyInterface2 { string GetName(); } public class MyClass : IMyInterface1, IMyInterface2 { string IMyInterface1.GetName() { return "IMyInterface1"...

C# Language • Casting

Instantiating class with no parameter: {} vs ()

Let's say we have a class MyClass with no constructor argument: class MyClass In Scala we can instantiate it using below syntax: val obj = new MyClass() Or we can simply write: val obj = new MyClass But, if not paid attention, in some cases optional parenthesis may produce some unexpecte...

Scala Language • Classes and Objects

Singleton & Companion Objects

Singleton Objects Scala supports static members, but not in the same manner as Java. Scala provides an alternative to this called Singleton Objects. Singleton objects are similar to a normal class, except they can not be instantiated using the new keyword. Below is a sample singleton class: object...

Scala Language • Classes and Objects

Inheritance - Abstract and Final Methods and Classes

Information The ABSTRACT and FINAL additions to the METHODS and CLASS statements allow you to define abstract and final methods or classes. An abstract method is defined in an abstract class and cannot be implemented in that class. Instead, it is implemented in a subclass of the class. Abstra...

ABAP • ABAP Objects

Escaping curly brackets inside a String.Format() expression

string outsidetext = "I am outside of bracket"; string.Format("{{I am in brackets!}} {0}", outsidetext); //Outputs "{I am in brackets!} I am outside of bracket"

C# Language • String.Format

Using ngStorage to share data

Firstly, include the ngStorage source in your index.html. An example injecting ngStorage src would be: <head> <title>Angular JS ngStorage</title> <script src = "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script> &l...

AngularJS • Sharing Data

Installation or Setup

Linux kernel source code can be found in https://www.kernel.org/ Download extract and enter to the kernel directory Type these commands step by steps in your terminal.(Choose the appropriate version you needed instead of linux-4.7.tar.gz ) wget http://www.kernel.org/pub/linux/kernel/v4.7/linux-4....

linux-kernel • Getting started with linux-kernel

Return in a lock statement

Following code will release lock. lock(locker) { return 5; } For a detailed explanation, this SO answer is recommended.

C# Language • Lock Statement

Getting a shell into a running (detached) container

Log into a running container A user can enter a running container in a new interactive bash shell with exec command. Say a container is called jovial_morse then you can get an interactive, pseudo-TTY bash shell by running: docker exec -it jovial_morse bash Log into a running container with a s...

Docker • Running containers

Instance methods

An instance method is a method that's available on a particular instance of a class, after the instance has been instantiated: MyClass *instance = [MyClass new]; [instance someInstanceMethod]; Here's how you define one: @interface MyClass : NSObject - (void)someInstanceMethod; // "-&qu...

Objective-C Language • Methods

Installation or Setup

Detailed instructions on getting ibm-midrange set up or installed.

ibm-midrange • Getting started with ibm-midrange

Using an extension method for collection initialization

Collection initialization syntax can be used when instantiating any class which implements IEnumerable and has a method named Add which takes a single parameter. In previous versions, this Add method had to be an instance method on the class being initialized. In C#6, it can also be an extension me...

C# Language • C# 6.0 Features

Get Apache Cordova Tools in Visual Studio

Open Control Panel -> Programs and Features, choose the Visual Studio 2015 item, and then choose the Change button. In the setup wizard for Visual Studio, choose the Modify button. In the list of optional features to install, select the HTML/JavaScript (Apache Cordova) checkbox, c...

Cordova • Visual Studio Tools for Apache Cordova